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To activate Active Distance Assist DISTRONIC,
all the following conditions must be fulfilled:
R
the engine must be started. It may take up
to two minutes of driving before Active Dis-
tance Assist DISTRONIC is ready for use.
R
the electric parking brake must be released.
R
ESP
®
must be active, but not intervening.
R
Active Parking Assist must not be activated.
R
the transmission must be in position h.
R
the driver's door must be closed when you
shift from j to h or your seat belt must
be fastened.
R
the front-passenger door must be closed.
R
DSR must be deactivated.
R
the vehicle must not skid.
Activating
X
Briefly pull the cruise control lever towards
you ?, up : or down ;.
Active Distance Assist DISTRONIC is activa-
ted.
X
Keep the cruise control lever pressed up :
or down ; until the desired speed is set.
X
Remove your foot from the accelerator
pedal.
Your vehicle adapts its speed to that of the
vehicle in front, but only up to the desired
stored speed.
i
If you do not fully release the accelerator
pedal, the Act. Distance Assist Sus‐
Act. Distance Assist Sus‐
pendedpended message appears in the multifunc-
tion display. The set distance to a slower-
moving vehicle in front will then not be
maintained. You will be driving at the speed
you determine by the position of the accel-
erator pedal.
Act. Distance Assist SuspendedAct. Distance Assist SuspendedYou can
also activate Active Distance Assist
DISTRONIC when stationary. The lowest speed
that can be set is 20 mph (30 km/h).
Driving with Active Distance Assist
DISTRONIC
Activating at the current speed or last
stored speed
G
WARNING
If you call up the stored speed and it differs
from the current speed, the vehicle acceler-
ates or decelerates. If you do not know the
stored speed, the vehicle could accelerate
or brake unexpectedly. There is a risk of an
accident.
Pay attention to the road and traffic condi-
tions before calling up the stored speed. If
you do not know the stored speed, store the
desired speed again.
X
Briefly pull the cruise control lever towards
you ?.
X
Remove your foot from the accelerator
pedal.
The first time Active Distance Assist
DISTRONIC is activated, it stores the current
speed or regulates the speed of the vehicle
to the previously stored speed.
Pulling away and driving
X
If you want to pull away with Active Dis-
tance Assist DISTRONIC: remove your foot
from the brake pedal.
X
Briefly pull the cruise control lever towards
you ?.
or
X
If Active Distance Assist DISTRONIC is
activated: accelerate briefly.
Your vehicle pulls away and adapts its speed
to that of the vehicle in front. If no vehicle is
detected in front, your vehicle accelerates
to the set speed.
The vehicle can also pull away when it is facing
an unidentified obstacle or is driving on a dif-
ferent line from another vehicle. The vehicle
then brakes automatically. Be ready to brake
at all times.
If there is no vehicle in front, Active Distance
Assist DISTRONIC operates in the same way
as cruise control.
If Active Distance Assist DISTRONIC detects a
slower-moving vehicle in front, it brakes your
vehicle. In this way, the distance you have
selected is maintained.
If Active Distance Assist DISTRONIC detects a
faster-moving vehicle in front, it increases the
driving speed. However, the vehicle is only
accelerated up to the speed you have stored.
i
Active Distance Assist DISTRONIC is deac-
tivated when you depress the brake, except
when the vehicle is stationary.
Driving systems
161
Driving and parking
Z
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